“The Mind of Evil” is an adventure of the eighth season of “Doctor Who” classic series, which aired in 1971. It follows “Terror of the Autons” and it’s a six parts adventure written by Don Houghton and directed by Timothy Combe.

The Third Doctor (Jon Pertwee) and Jo Grant (Katy Manning) are visiting Stangmoor Prison to witness the demonstration of a new technology that can remove negative impulses from the minds of criminals. The Doctor is skeptical and the process leaves the prisoner in a great state of prostration.

The Doctor tries to stop the use of the machine but Brigadier Lethbridge-Stewart (Nicholas Courtney) can’t support him because he has to manage a very important peace conference. The death of the leader of the Chinese delegation could make the conference fail before it even begins.

“The Dominators” is the first adventure of the sixth season of “Doctor Who” classic series, which aired in 1968. It’s a five parts adventure written by Norman Ashby and directed by Morris Barry.

A spaceship carrying two Dominators on board lands on the planet Dulkis on what’s called the Island of Death because it’s radioactive due to nuclear explosions carried out in the past, when it was a test site. The Quark robots are sent to perform some tasks and when a spaceship of visitors arrives in the area it gets destroyed and only their pilot Cully manages to escape.

The Tardis lands nearby and the Second Doctor (Patrick Troughton), along with Jamie (Frazer Hines) and Zoe (Wendy Padbury), starts visiting the area. When they hear the sound of an explosion they look for safety in a nearby war museum, where they meet some natives who are trying to understand why their instruments are detecting no radiations.

“The Ice Warriors” is an adventure of the fifth season of “Doctor Who” classic series, which aired in 1967. It’s a six parts adventure written by Brian Hayles and directed by Derek Martinus.

At Brittanicus Base the staff are trying to use an ionizer to slow down the advance of glaciers that are about to invade Britain. The situation is difficult and the tension is made higher by the fact that recently one of the scientists left the base after a controversy with Leader Clent.

The Tardis materializes on Earth, near Brittanicus base, and the Second Doctor (Patrick Troughton), Jamie (Frazer Hines) and Victoria (Deborah Watling) enter it in a moment of intense work. The Doctor manages to help avoid another crisis while one of the scientists finds a strange humanoid frozen in the glacier.

“The Underwater Menace” is an adventure of the fourth season of “Doctor Who” classic series, which aired in 1967. It’s a four parts adventure written by Geoffrey Orme and directed by Julia Smith.

The Tardis materializes on Earth and the Second Doctor (Patrick Troughton), Jamie (Frazer Hines), Ben (Michael Craze) and Polly (Anneke Wills) go out to explore what looks like a deserted volcanic island. However, the nearby caves are inhabited and the travelers are immediately captured.

The local inhabitants are the survivors of Atlantis and their high priest decides to sacrifice the travelers to their god Amdo. They receive one last meal but the Doctor realizes that it must have been prepared by Professor Zaroff, a scientist whose traces were lost. In fact, Zaroff is working on a plan that can have terrible consequences for the whole world.

“The Ark” is an adventure of the third season of “Doctor Who” classic series, which aired in 1965. It’s a four parts adventure written by Paul Erickson e Lesley Scott and directed by Michael Imison.

The Tardis materializes in what looks like a jungle and Dodo (Jackie Lane) thinks she’s at the zoo outside London thinking that some trick was used to transport her from where she left. The First Doctor (William Hartnell) tries to convince her that they and Steven (Peter Purves) have traveled in space and time arriving who knows where and when but Dodo starts believing him only with the arrival of strange one-eyed aliens.

When the travelers are brought into the presence of the Guardians, who are human, they are told that this is an ark that is traveling to another planet in order to save humanity and other Earth’s species. The human passengers and the Monoid aliens are peaceful but when Dodo starts infecting them with her cold the consequences could be catastrophic with patients who have no immune defense against that disease.